* minor: remove mono warnings

OpenSim/Region/ClientStack/LindenUDP/LLUDPServer.cs

@@ -304,7 +304,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
                 m_socket.BeginReceiveFrom(
                      RecvBuffer, 0, RecvBuffer.Length, SocketFlags.None, ref reusedEpSender, ReceivedData, null);
             }
-            catch (SocketException e)
+            catch (SocketException)
             {
                 // We don't need to see this error, reset connection and get next UDP packet off the buffer
                 // If the UDP packet is part of the same stream, this will happen several hundreds of times before

OpenSim/Region/Environment/Modules/World/Wind/WindModule.cs

@@ -154,6 +154,7 @@ namespace OpenSim.Region.Environment.Modules
             //m_scene.RegionInfo.RegionSettings.SunVector = Position;
             //m_scene.RegionInfo.EstateSettings.sunHour = GetLindenEstateHourFromCurrentTime();
         }
+        
         public void ForceWindUpdateToAllClients()
         {
             GenWindPos();        // Generate shared values once

OpenSim/Region/Physics/Meshing/PrimMesher.cs

@@ -1659,7 +1659,7 @@ namespace PrimMesher
 
         public Coord SurfaceNormal(int faceIndex)
         {
-            int numFaces = faces.Count;
+            //int numFaces = faces.Count;
             if (faceIndex < 0 || faceIndex >= faces.Count)
                 throw new Exception("faceIndex out of range");